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Literature summary for 3.1.1.4 extracted from

  • Takayama, K.; Kudo, I.; Kim, D.K.; Nagata, K.; Nozawa, Y.; Inoue, K.
    Purification and characterization of human platelet phospholipase A2 which preferentially hydrolyzes an arachidonoyl residue (1991), FEBS Lett., 282, 326-330.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
EGTA
-
Homo sapiens

Localization

Localization Comment Organism GeneOntology No. Textmining
cytoplasm
-
Homo sapiens 5737
-

Metals/Ions

Metals/Ions Comment Organism Structure
Ca2+
-
Homo sapiens

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
90000
-
SDS-PAGE Homo sapiens

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
phospholipids + H2O Homo sapiens release of arachidonic acid: biosynthesis of leucotrienes, thromboxans and prostaglandins ?
-
?

Organism

Organism UniProt Comment Textmining
Homo sapiens
-
-
-

Purification (Commentary)

Purification (Comment) Organism
column chromatography steps, 11700fold Homo sapiens

Source Tissue

Source Tissue Comment Organism Textmining
platelet
-
Homo sapiens
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
0.259
-
substrate: 1-acyl-2-arachidonoyl-glycerophosphocholine Homo sapiens

Storage Stability

Storage Stability Organism
-80°C Homo sapiens

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1-acyl-2-arachidonoyl-glycerophosphocholine + H2O
-
Homo sapiens 1-acyl-glycerophosphocholine + arachidonic acid
-
?
1-acyl-2-arachidonoyl-sn-glycero-3-phosphoethanolamine + H2O
-
Homo sapiens 1-acyl-sn-glycero-3-phosphoethanolamine + arachidonic acid
-
?
1-acyl-2-linoleoyl-3-phosphoethanolamine + H2O
-
Homo sapiens 1-acyl-3-phosphoethanolamine + linolic acid
-
?
1-acyl-2-linoleoyl-glycerophosphocholine + H2O
-
Homo sapiens 1-acyl-glycerophosphocholine + linolic acid
-
?
phospholipids + H2O release of arachidonic acid: biosynthesis of leucotrienes, thromboxans and prostaglandins Homo sapiens ?
-
?

Subunits

Subunits Comment Organism
monomer
-
Homo sapiens

pH Stability

pH Stability pH Stability Maximum Comment Organism
2
-
exposure to acidic conditions, i.e. pH 2 for 60 min at 4°C, causes irreversible loss of activity, stable in basic medium Homo sapiens